LogTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\migrate\Unit\process;

use Drupal\migrate\Plugin\migrate\process\Log;
use Drupal\migrate\Row;

/**
 * Tests the Log process plugin.
 *
 * @group migrate
 */
class LogTest extends MigrateProcessTestCase {
    
    /**
     * Tests the Log plugin.
     *
     * @dataProvider providerTestLog
     */
    public function testLog($value, $expected_message) : void {
        // Test the expected log message.
        $this->migrateExecutable
            ->expects($this->once())
            ->method('saveMessage')
            ->with($expected_message);
        $plugin = new Log([], 'log', []);
        // Test the input value is not altered.
        $new_value = $plugin->transform($value, $this->migrateExecutable, new Row(), 'foo');
        $this->assertSame($value, $new_value);
    }
    
    /**
     * Provides data for testLog.
     *
     * @return string[][]
     *   An array of test data arrays.
     */
    public static function providerTestLog() {
        $object = (object) [
            'a' => 'test',
            'b' => 'test2',
            'c' => 'test3',
        ];
        $xml_str = <<<XML
<?xml version='1.0'?>
<mathematician>
 <name>Ada Lovelace</name>
</mathematician>
XML;
        return [
            'int zero' => [
                'value' => 0,
                'expected_message' => "'foo' value is '0'",
            ],
            'string empty' => [
                'value' => '',
                'expected_message' => "'foo' value is ''",
            ],
            'string' => [
                'value' => 'Testing the log message',
                'expected_message' => "'foo' value is 'Testing the log message'",
            ],
            'array' => [
                'value' => [
                    'key' => 'value',
                ],
                'expected_message' => "'foo' value is 'Array\n(\n    [key] => value\n)\n'",
            ],
            'float' => [
                'value' => 1.123,
                'expected_message' => "'foo' value is '1.123000'",
            ],
            'NULL' => [
                'value' => NULL,
                'expected_message' => "'foo' value is 'NULL'",
            ],
            'boolean' => [
                'value' => TRUE,
                'expected_message' => "'foo' value is 'true'",
            ],
            'object_with_to_String' => [
                'value' => new ObjWithString(),
                'expected_message' => "'foo' value is Drupal\\Tests\\migrate\\Unit\\process\\ObjWithString:\n'a test string'",
            ],
            'object_no_to_string' => [
                'value' => $object,
                'expected_message' => "Unable to log the value for 'foo'",
            ],
            'simple_xml' => [
                'value' => new \SimpleXMLElement($xml_str),
                'expected_message' => "'foo' value is SimpleXMLElement:\n'\n \n'",
            ],
        ];
    }

}

/**
 * Test class with a __toString() method.
 */
class ObjWithString {
    
    /**
     * Returns a string.
     *
     * @return string
     *   A string.
     */
    public function __toString() {
        return 'a test string';
    }

}